Home / 808,666.10-1,212,999.15-556,723.70

Finding the Fourth Proportional to 808,666.10, 1,212,999.15 and 556,723.70

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Solution

The fourth proportional to 808,666.10, 1,212,999.15 and 556,723.70 is: 835,085.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,666.10 : 1,212,999.15 = 556,723.70 : x
  2. Step 2: Convert to fraction form
    808,666.10/1,212,999.15 = 556,723.70/x
  3. Step 3: Cross multiply
    808,666.10x = 1,212,999.15 × 556,723.70
  4. Step 4: Simplify right side
    808,666.10x = 675,305,374,884.86
  5. Step 5: Solve for x
    x = 675,305,374,884.86/808,666.10
  6. Step 6: Final answer
    x = 835,085.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.